CC
DT73ꢀ±
SPE°IFI° TIONSC
TA = −55°C to +150°C; VDD = 2.7 V to 5.5 V; unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit Test Conditions/Comments
TEMPERATURE SENSOR AND ADC
Accuracy1
0.5
0.7
0.8
1.0
°C
°C
°C
°C
TA = −40°C to +105°C, VDD = 2.7 V to 3.6 V
TA = −55°C to +150°C, VDD = 2.7 V to 3.6 V
TA = −40°C to +105°C, VDD = 4.5 V to 5.5 V
TA = −55°C to +150°C, VDD = 2.7 V to 5.5 V
ADC Resolution
13
16
Bits
Twos complement temperature value of sign bit plus 12 ADC bits
(power-up default resolution)
Twos complement temperature value of sign bit plus 15 ADC bits
(Bit 7 = 1 in the configuration register)
Bits
Temperature Resolution
13 Bit
16 Bit
0.0625
0.0078
240
°C
°C
ms
ms
13-bit resolution (sign + 12-bit)
16-bit resolution (sign + 15-bit)
Continuous conversion and one-shot conversion mode
First conversion on power-up only
Temperature Conversion Time
Fast Temperature Conversion
Time
6
1 SPS Conversion Time
Temperature Hysteresis
Repeatability
60
ms
°C
°C
Conversion time for 1 SPS mode
Temperature cycle = 25°C to 125°C, and back to 25°C
TA = 25°C
0.02
0.01
0.1
DC PSRR
°C/V TA = 25°C
DIGITAL OUTPUTS (OPEN DRAIN)
High Output Leakage Current, IOH
Output High Current
Output Low Voltage, VOL
Output High Voltage, VOH
Output Capacitance, COUT
DIGITAL INPUTS
0.1
5
1
0.4
μA
mA
V
V
pF
CT and INT pins pulled up to 5.5 V
VOH = 5 .5V
IOL = 2 mA @ 5.5 V, IOL = 1 mA @ 3.3 V
0.7 × VDD
3
Input Current
1
0.4
μA
V
V
VIN = 0 V to VDD
Input Low Voltage, VIL
Input High Voltage, VIH
Pin Capacitance
0.7 × VDD
VOH − 0.3
5
10
pF
DIGITAL OUTPUT (DOUT)
Output High Voltage, VOH
Output Low Voltage, VOL
Output Capacitance, COUT
POWER REQUIREMENTS
Supply Voltage
V
V
pF
ISOURCE = ISINK = 200 μA
IOL = 200 μA
0.4
50
2.7
5.5
V
Supply Current
At 3.3 V
At 5.5 V
210
230
250
300
μA
μA
Peak current while converting, SPI interface inactive
Peak current while converting, SPI interface inactive
1 SPS Current
At 3.3V
At 5.5V
46
65
μA
μA
VDD = 3.3 V, 1 SPS mode, TA = 25°C
VDD = 5.5 V, 1 SPS mode, TA = 25°C
Shutdown Current
At 3.3 V
At 5.5 V
Power Dissipation Normal Mode
Power Dissipation 1 SPS
2.0
4.4
700
150
15
25
μA
μA
μW
μW
Supply current in shutdown mode
Supply current in shutdown mode
VDD = 3.3 V, normal mode at 25°C
Power dissipated for VDD = 3.3 V, TA = 25°C
1 Accuracy includes lifetime drift.
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